package com.edu.service;


import com.edu.bean.User;

import java.util.List;

/**
 * @Author:何包蛋
 * @Date :2022/12/7 - 12 - 07 - 20:16
 */
public interface UserService {

    int addUser(User user);

    User getUserByName(String userName);

    List<User> getUserAll();
}
